Tennis round-up: Osaka on why she split with coach Bajin

IMAGE: 'Everyone thinks it was a money-related issue, but it wasn't'. Photograph: Scott Barbour/Getty Images World No 1 Naomi Osaka was adamant that her shock split with coach Sascha Bajin had......

Kvitova finds killer instinct when in 'bubble', says coach

IMAGE: According to Vanek, Kvitova used to be too concerned about the opinion of other people since the 2016 incident but her focus was now back firmly on herself and her tennis again. Photograph:......

Why Osaka has an 'upper hand' over Kvitova in Aus Open final

IMAGE: Japan's Naomi Osaka will face Czech Republic's Petra Kvitova in their maiden Australian Open final on Saturday. Photograph: Quinn Rooney/Getty Images and Mark Kolbe/Getty Images US Open......

Aus Open: Serena heaps praise on Halep after booking quarters spot

  IMAGE: USA's Serena Williams is congratulated by Romania's Simona Halep after their fourth round match. Photograph: Edgar Su/Reuters Serena Williams staved off a spectacular fight-back from......

Aus Open PIX: Nadal, Federer, Wozniacki advance; seeds Anderson, Monfils, Bertens out

IMAGES from the Australian Open matches played at Melbourne Park on Wednesday Nadal spins way into third round with near flawless display IMAGE: Rafael Nadal plays a backhand during his second......